1. Txheeb xyuas qhov deformation ntawm cov yas pwm nyob rau lub caij ntuj sov thiab tso cov duab yoj hom: nqa cov qauv siv yas formwork thiab muab tso rau hauv 70 degrees ntawm dej kub rau 5 feeb, ces muab nws tawm thiab rub cov pwm nrog koj txhais tes kom pom. yog tias cov pwm tuaj yeem ua kom tawv, xws li hardening lub rooj tsavxwm Tsis muaj.
2. Txheeb xyuas qhov tshwm sim ntawm kev tawg ntawm cov ntsia hlau thiab tshem tawm pwm nyob rau lub caij ntuj no: nqa ib qho qauv ntawm lub tsev yas formwork thiab muab tso rau hauv lub tub yees ntawm qhov kub siab tshaj 10 degrees, coj nws tawm tom qab 24 teev, thiab tom qab ntawd muab cov ntsia hlau ntsia ntawm ib txoj hauj lwm. 10mm deb ntawm ntug ntawm cov pwm kom pom tias cov formwork puas tawg, yog tias tawg cov qauv no tsis muaj nyob rau lub caij ntuj no.
Cov saum toj no yog cov txheej txheem ntawm kev kuaj xyuas lub tsev formwork, kuv vam tias nws yuav pab tau rau txhua tus.
